High-Purity Aqueous Choline Hydroxide
Meden Pharma Pvt Ltd is a premier manufacturer of high-purity **Aqueous Choline Hydroxide 45% Solution** (CAS No. 123-41-1) in India. Formulated under strict vacuum engineering, this colorless, water-white liquid serves as a high-performance chemical intermediate across pharmaceutical processes and silicon microelectronics fabrication.
Product Summary Profile:
- Product Name: Aqueous Choline Hydroxide 45%
- CAS Number: 123-41-1
- Purity: Minimum 45.0%
- Appearance: Water white (colorless solution)
- Standard Grade: Pharma / Electronic Grade
- Brand Name: MEDEN PHARMA PVT LTD
Key Applications
In the **pharmaceutical industry**, Choline Hydroxide acts as an essential organic base and intermediate during chemical syntheses of APIs. In **microelectronics manufacturing**, it operates as a high-efficiency alkaline cleaning agent, silicon etching auxiliary, and photoresist developer (TMAH alternative) because of its extremely low sodium and mineral impurity parameters.
Technical Specifications & Test Results
| Analysis Parameters | Target Specifications | Actual Test Results |
|---|---|---|
| Appearance | Colorless / Pale Yellow Liquid | Passes (Water White) |
| Assay (Choline Hydroxide) | 45.0% Min. | 47.95% |
| Ethylene Glycol | 0.10% Max. | 0.05% |
| Trimethylamine (TMA) | ≤ 1500 PPM | 774 PPM |
| Carbonate (CO3) | 0.30% Max. | 0.20% |
| Chloride (Cl) | ≤ 5.0 PPM | 3.0 PPM |
| Iron (Fe) | ≤ 1.500 PPM | 0.894 PPM |
| Sodium (Na) | ≤ 0.200 PPM | 0.109 PPM |
| pH Value | 13.0 – 14.0 | 13.50 |
| Hydroxyl Amine Sulfate | 0.05% Min. | 0.0% |
Require Custom Dilutions or Specs?
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